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关于GWD-4-4滔滔第四题的问题
GWD-4-4滔滔
Q4:For a nonnegative integer n, if the remainder is 1 when 2n is divided by 3, then which of the following must be true?
I.n is greater than zero. n=0
II.3n = (-3)n
III.√2nis an integer.
A.I only
B.II only
C.I and II
D.I and III
E.II and III
1怎么错了？ |
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